Posted by Es on Thursday, December 27, 2012 at 6:39pm.
I think this question has a typo because none of the multiple choice answers fit.
The question is which of the following values is in the solution set of inequality 87x<6?
A) 3 B)2 C)2 D)6
A if you plug in 3 you get
29<6 no
B) 8+14<6 no
c) 814<6 so 6<6 no
D) 8+42<6 no
Did I do something wrong or are there no correct answers?
Thank you

math  Ms. Sue, Thursday, December 27, 2012 at 6:44pm
87x<6
7x < 6 8
7x < 14
x = 2

math  Ms. Sue, Thursday, December 27, 2012 at 7:05pm
x can be any number smaller than 2.
http://www.mathsisfun.com/algebra/inequalitysolving.html

math  Es, Thursday, December 27, 2012 at 7:18pm
so is there one of the multiple choice questions that are correct, since three numbers in the multiple choice that are less than 2. As you see above
Thank you

math  Ms. Sue, Thursday, December 27, 2012 at 7:25pm
Ahh  but the other solutions are negative number. The answer for c, 2, is the only solution that is positive.

math  Es, Thursday, December 27, 2012 at 7:26pm
I went on the website you showed me. It said when you mult. or divide a neg, like 7x you change the sign, so shouldn't it be that x>2.
I am really confused

math  Es, Thursday, December 27, 2012 at 8:26pm
when you check your answer and put 2 in to do a check it comes out
87x<6
87(2)
814<6
6<6
this is not true unless it was greater than or equal to, that is why I believe there is no correct answer to the question. Isn't that right?
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